Base | Representation |
---|---|
bin | 111010100100… |
… | …0011101011000 |
3 | 2010210000000121 |
4 | 1311020131120 |
5 | 30330033441 |
6 | 3014043024 |
7 | 521664253 |
oct | 165103530 |
9 | 63700017 |
10 | 30705496 |
11 | 16372548 |
12 | a349474 |
13 | 6491143 |
14 | 411409a |
15 | 2a67dd1 |
hex | 1d48758 |
30705496 has 8 divisors (see below), whose sum is σ = 57572820. Its totient is φ = 15352744.
The previous prime is 30705491. The next prime is 30705511. The reversal of 30705496 is 69450703.
It is a tau number, because it is divible by the number of its divisors (8).
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30705491) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1919086 + ... + 1919101.
Almost surely, 230705496 is an apocalyptic number.
It is an amenable number.
30705496 is a deficient number, since it is larger than the sum of its proper divisors (26867324).
30705496 is a wasteful number, since it uses less digits than its factorization.
30705496 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3838193 (or 3838189 counting only the distinct ones).
The product of its (nonzero) digits is 22680, while the sum is 34.
The square root of 30705496 is about 5541.2540096985. The cubic root of 30705496 is about 313.1401142633.
The spelling of 30705496 in words is "thirty million, seven hundred five thousand, four hundred ninety-six".
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